Hail Map for Jefferson, WI

The Jefferson, WI area has had 2 reports of on-the-ground hail by trained spotters, and has been under severe weather warnings
11 times during the past 12 months. Doppler radar has detected hail at or near Jefferson, WI on 42 occasions, including 1 occasion during the past year.

At 1136 am cdt, severe thunderstorms were located along a line extending from near hartford to near edgerton, moving south at 30 mph (law enforcement. there have been numerous reports of tree and power line damage at the leading edge of these storms). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, watertown, whitewater, hartford, fort atkinson, jefferson, delafield, lake mills, waterloo, wales, okauchee lake, oconomowoc, johnson creek, dousman, north prairie, palmyra, lac la belle, lake ripley, lake koshkonong, ixonia and rome.

6/30/201911:26 AM CDT

At 1126 am cdt, severe thunderstorms were located along a line extending from near campbellsport to near lake mills, moving southeast at 40 mph (law enforcement. there have been numerous reports of tree damage and power outages). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees

6/27/20194:53 PM CDT

The severe thunderstorm warning for northwestern walworth, southeastern rock, northwestern waukesha, southeastern jefferson and eastern dodge counties will expire at 500 pm cdt, the storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. therefore, the warning will be allowed to expire. however gusty winds and frequent lightning are still possible with these thunderstorms. a severe thunderstorm watch remains in effect until 900 pm cdt for south central, southeastern and east central wisconsin. to report severe weather, contact your nearest law enforcement agency. they will relay your report to the national weather service milwaukee/sullivan.

6/27/20194:35 PM CDT

At 434 pm cdt, severe thunderstorms were located along a line extending from near waupun to 6 miles east of johnson creek to near beloit, moving east at 50 mph (emergency management. trees down have been reported in the beaver dam area. in addition the observation site at juneau has measured a wind gust of 63 mph). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. Locations impacted include, janesville, beloit, watertown, beaver dam, whitewater, hartford, fort atkinson, waupun, jefferson, delafield, lake mills, milton, edgerton, mayville, evansville, horicon, waterloo, juneau, okauchee lake and oconomowoc.

At 407 pm cdt, severe thunderstorms were located along a line extending from near randolph to near deerfield to brodhead, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees

At 512 pm cdt, severe thunderstorms were located along a line extending from 6 miles southwest of beaver dam to cambridge, moving east at 25 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees

At 748 pm cdt, a severe thunderstorm was located near marshall, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.

7/19/20177:53 PM CDT

At 752 pm cdt, a severe thunderstorm was located over evansville, moving east at 45 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees

7/12/20177:41 AM CDT

The severe thunderstorm warning for northern green, northwestern rock, southern dane and western jefferson counties will expire at 745 am cdt, the storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. therefore the warning will be allowed to expire. however small hail and wind gusts in excess of 40 mph are still possible with these thunderstorms.

At 718 am cdt, severe thunderstorms were located along a line extending from near sun prairie to madison to 8 miles west of mount horeb, moving southeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees

At 141 am cdt, a severe thunderstorm was located near johnson creek, or near lake mills, moving southeast at 40 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected

6/28/20173:05 PM CDT

The severe thunderstorm warning for jefferson county will expire at 815 pm cdt, the storms which prompted the warning have weakened below severe limits, and have exited the warned area. therefore the warning will be allowed to expire. however heavy rain is still possible with these thunderstorms. a tornado watch remains in effect until 1000 pm cdt for southeastern wisconsin.

At 708 pm cdt, severe thunderstorms were located along a line extending from 6 miles southwest of columbus to near brooklyn, moving southeast at 50 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees

6/16/201711:21 PM CDT

The severe thunderstorm warning for northern rock, southeastern dane and southwestern jefferson counties will expire at 1130 pm cdt, the storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. therefore the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 500 am cdt for south central and southeastern wisconsin.

At 924 pm cdt, severe thunderstorms were located along a line extending from near waterloo to near edgerton to near rock city, moving east at 40 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees

5/17/20179:17 PM CDT

At 916 pm cdt, severe thunderstorms were located along a line extending from 6 miles southwest of columbus to stoughton to 6 miles northwest of lake summerset, moving east at 35 mph (law enforcement. at 834pm, trees were reported down 3 miles east of argyle). Hazards include 60 mph wind gusts and penny size hail. Expect damage to roofs, siding, and trees. locations impacted include, madison, janesville, beloit, sun prairie, fitchburg, watertown, middleton, stoughton, fort atkinson, waunakee, monroe, verona, oregon, jefferson, mcfarland, monona, windsor, lake mills, milton and edgerton. A tornado watch remains in effect until 100 am cdt for south central and southeastern wisconsin.

At 852 pm cdt, severe thunderstorms were located along a line extending from near waunakee to near belleville to near winslow, moving east at 35 mph (radar indicated). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees

5/17/20177:11 PM CDT

At 710 pm cdt, a severe thunderstorm was located near palmyra, or 10 miles east of jefferson, moving northeast at 55 mph (radar indicated). Hazards include 70 mph wind gusts and quarter size hail. Hail damage to vehicles is expected. expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings.

The severe thunderstorm warning for walworth, western waukesha and jefferson counties will expire at 1045 pm cdt, the storms which prompted the warning are moving out of the area. therefore the warning will be allowed to expire. a severe thunderstorm watch remains in effect until 200 am cdt for south central and southeastern wisconsin.

5/15/201710:26 PM CDT

At 1026 pm cdt, severe thunderstorms were located along a line extending from near lac la belle to near dousman to near fontana-on-geneva lake, moving east at 50 mph (trained weather spotters. a wind gust of 57 mph was measured at the national weather service in sullivan). Hazards include 60 mph wind gusts. Expect damage to roofs, siding, and trees. Locations impacted include, watertown, whitewater, fort atkinson, elkhorn, hartland, delavan, jefferson, lake geneva, mukwonago, delafield, lake mills, east troy, waterloo, williams bay, wales, okauchee lake, oconomowoc, merton, genoa city and walworth.

At 1007 pm cdt, severe thunderstorms were located along a line extending from near waterloo to near sharon, moving east at 55 mph (radar indicated). Hazards include 60 mph wind gusts. expect damage to roofs, siding, and trees

At 722 pm cdt, a severe thunderstorm was located near edgerton, moving east at 45 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected

3/7/201712:11 AM CST

The severe thunderstorm warning for western walworth, eastern rock and southern jefferson counties will expire at 1215 am cst, the storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. therefore, the warning will be allowed to expire. however gusty winds up to 50 mph are still possible with these thunderstorms. a severe thunderstorm watch remains in effect until 500 am cst for south central and southeastern wisconsin.

At 1147 pm cst, severe thunderstorms were located along a line extending from 6 miles southwest of cambridge to 7 miles northwest of rockton, moving east at 60 mph (awos observed). Hazards include 60 mph wind gusts and penny size hail. expect damage to roofs, siding, and trees

At 1235 am cdt, a severe thunderstorm was located near deerfield, or near lake mills, moving east at 50 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding. And trees.

At 1038 pm cdt, a severe thunderstorm was located over cambridge, or 9 miles north of edgerton, moving east at 15 mph (radar indicated). Hazards include quarter size hail. damage to vehicles is expected

The severe thunderstorm warning for southeastern columbia, jefferson, southwestern dodge and northeastern dane counties will expire at 700 pm cdt, the storm which prompted the warning has moved out of the area. therefore the warning will be allowed to expire.

6/5/20166:54 PM CDT

At 653 pm cdt, a severe thunderstorm was located over johnson creek, or near jefferson, moving southeast at 50 mph. widespread wind damage was reported in the lake mills and waterloo areas with this storm. widespread wind damage is expected. take cover now!! (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs, and outbuildings. This severe thunderstorm will remain over mainly rural areas of southeastern columbia, jefferson, southwestern dodge and northeastern dane counties, including the following locations: deansville, richwood, east bristol, hubbleton, rockdale, token creek, helenville, pipersville, milford and danville.

At 352 am cdt, severe thunderstorms were located along a line extending from near rio to near waunakee to fennimore, moving southeast at 45 mph (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. Damage is likely to mobile homes, roofs and outbuildings.

6/22/201511:02 AM CDT

At 1101 am cdt, severe thunderstorms were located along a line extending from near west bend to hales corners to near browns lake to harvard, moving east at 60 mph (radar indicated). Hazards include 60 mph wind gusts. Expect damage to roofs. siding and trees. locations impacted include, waukesha, milwaukee, burlington, racine, kenosha, brookfield. People attending cycling classic in waukesha should seek safe shelter immediately!.

6/22/201510:56 AM CDT

The severe thunderstorm warning for eastern columbia, jefferson, western walworth, dodge, eastern dane and rock counties will expire at 1100 am cdt, the storms which prompted the warning have moved out of the area. therefore the warning will be allowed to expire. however gusty winds are still possible with these thunderstorms. a severe thunderstorm watch remains in effect until 100 pm cdt for south central wisconsin. a severe thunderstorm watch also remains in effect until 300 pm cdt for southeastern wisconsin.

6/22/201510:45 AM CDT

At 1043 am cdt, severe thunderstorms were located along a line extending from near brandon to near lac la belle to near east troy to timberlane, moving east at 60 mph. widespread tree and power line damage was reported in green, southern dane, and rock counties (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs and outbuildings. These severe thunderstorms will remain over mainly rural areas of eastern columbia, jefferson, western walworth, dodge, eastern dane and rock counties, including the following locations, east bristol, shopiere, millard, lake lac la belle, johnstown center, fox lake, burnett, minnesota junction, emerald grove and rockdale.

At 1028 am cdt, severe thunderstorms were located along a line extending from near markesan to waterloo to 6 miles south of whitewater to near pecatonica, moving east at 60 mph. this storm has a history of producing widespread tree and power line damage, including hollandale and blanchardville (radar indicated). Hazards include 70 mph wind gusts. Expect considerable tree damage. damage is likely to mobile homes, roofs and outbuildings. these severe storms will be near, watertown, elkhorn and johnson creek around 1040 am cdt. waupun and lac la belle around 1050 am cdt. Other locations impacted by these severe thunderstorms include east bristol, shopiere, millard, lake lac la belle, johnstown center, fox lake, magnolia, merrimac, burnett and paoli.

6/22/201510:16 AM CDT

At 1013 am cdt, severe thunderstorms were located along a line extending from montello to near sun prairie to 6 miles south of edgerton to near forreston, moving east at 60 mph. widespread tree and power line damage was reported in iowa and lafayette counties (radar indicated). Hazards include 70 mph wind gusts and quarter size hail. Expect considerable tree damage. wind damage is also likely to mobile homes, roofs and outbuildings. these severe storms will be near, milton and edgerton around 1020 am cdt. marshall and waterloo around 1025 am cdt. lake mills around 1030 am cdt. whitewater around 1035 am cdt. watertown and palmyra around 1040 am cdt. lac la belle around 1050 am cdt. Other locations impacted by these severe thunderstorms include east bristol, mount vernon, shopiere, pine bluff, millard, lake lac la belle, johnstown center, fox lake, magnolia and merrimac.

Business closed due to roof damage from high winds. part of roof off of nearby home. mcdonalds sign damaged. lots of trees down as well. time estimated from rada in jefferson county WI, 1.8 miles N of Jefferson, WI